Search a number
-
+
2068053791 = 171010312041
BaseRepresentation
bin111101101000011…
…1111111100011111
312100010102000110212
41323100333330133
513213410210131
6541113323035
7102151111226
oct17320777437
95303360425
102068053791
119713a9471
1249870647b
1326c5b408b
14158931cbd
15c1856a2b
hex7b43ff1f

2068053791 has 8 divisors (see below), whose sum is σ = 2190102624. Its totient is φ = 1946049280.

The previous prime is 2068053773. The next prime is 2068053797. The reversal of 2068053791 is 1973508602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2068053791 - 214 = 2068037407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068053797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165731 + ... + 177771.

It is an arithmetic number, because the mean of its divisors is an integer number (273762828).

Almost surely, 22068053791 is an apocalyptic number.

2068053791 is a deficient number, since it is larger than the sum of its proper divisors (122048833).

2068053791 is a wasteful number, since it uses less digits than its factorization.

2068053791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2068053791 is about 45475.8594311312. The cubic root of 2068053791 is about 1274.0523607687.

The spelling of 2068053791 in words is "two billion, sixty-eight million, fifty-three thousand, seven hundred ninety-one".

Divisors: 1 17 10103 12041 171751 204697 121650223 2068053791